Nickel base alloy and use of it, turbine blade or vane and gas turbine

摘要

A nickel base alloy is provided which includes the following components by weight: Co: 2.75 to 3.25% Cr: 11.5 to 12.5% Mo: 2.75 to 3.25% Al: 3.75 to 4.25% Ti: 4.1 to 4.9% Ta: 1.75 to 2.25% C: 0.006 to 0.04% B: ≦̸0.01% Zr: ≦̸0.01% Hf: ≦̸1.25% Nb: ≦̸1.25% balance Ni.